.OnlineDesign{
    width: 100vw;
    height: 100vh;
    background: #000;
    display: flex;
    position: relative;
    font-size: 14px;
}
.design_top{
    width: 100%;
    height: 70px;
    position: absolute;
    top: 0;
    /* background: pink; */
}
.design_left{
    width: 5%;
    height: calc(100vh-70px);
    background: white;
    margin-top: 70px;
    
}
.design_center{
    width: 75%;
       height: calc(100vh-70px);
    background: #f1f3f7;
}
.design_right{
    width: 20%;
      height: calc(100vh-70px);
    background: white;
    margin-top: 70px;
}